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Citation: Sheng Taicheng*, Wei Taiguang. INVESTIGATION OF HYDROGEN SPILLOVER IN THE Pt-NaY/HY SYSTEM BY IR SPECTROSCOPY[J]. Acta Physico-Chimica Sinica, ;1985, 1(01): 32-38. doi: 10.3866/PKU.WHXB19850105 shu

INVESTIGATION OF HYDROGEN SPILLOVER IN THE Pt-NaY/HY SYSTEM BY IR SPECTROSCOPY

1.
Department of Chemistry; Shandong University

Received Date: 15 June 1984
Available Online: 15 February 1985

The hydrogen spillover effect of Pt-NaY/HY system has been studied using the exchange reaction of deuterium with hydroxyl groups by IR spectroscopy. The Pt-NaY catalyst used was prepared by impregnation of NaY zeolite with chloroplatinic acid. HY zeolite was prepared by NH_4~+ exchange of the same NaY zeolite followed by thermal decomposition. About 12.5% Pt metal dispersion and a Pt particle size of about 9.0 nm were determined from H_2 Chemisorption data at 0 ℃.
The wafer of HY zeolite used in the IR cell was mixed with a small amount of the catalyst in such a way that the Pt catalyst dispersed only around the periphery of the wafer.
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